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Compute a dot product of two vectors x and y
x and y are input vectors, d is a number and contains their dot product

3年以上 前

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

3年以上 前

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Find the largest value in the 3D matrix
Given a 3D matrix A, find the largest value. Example >> A = 1:9; >> A = reshape(A,[3 1 3]); >> islargest(A) a...

3年以上 前

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Back to Basics - Find no. of elements in a matrix?
Let A be a m*n matrix. Find the total no. of elements in A ? (Hint - formula based) A = [1 2 3;4 5 6]; output = 6

3年以上 前

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Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

3年以上 前

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Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...

3年以上 前

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

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Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];

3年以上 前

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Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

3年以上 前

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Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<http://upload.wikimedia.org/wikipe...

3年以上 前

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Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<http://upload.wikimedia.org/wikipe...

3年以上 前

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Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

3年以上 前

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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

3年以上 前

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Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

3年以上 前

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Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-tr...

3年以上 前

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Basics: counting digits of a number irrespective of the sign
publish the number of digits in any input integer example: -23---->2

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Unit Matrix
Given n, you should return an n-by-n unit matrix. Example: If input is n=2 then A = [ 1 0 0 1 ] If input ...

3年以上 前

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

3年以上 前

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

3年以上 前

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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

3年以上 前

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Square a Number
Given an input x, return y, which is equal to the square of x.

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Create a Matrix of Zeros
Given an input x, create a square matrix y of zeros with x rows and x columns.

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Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

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Min of a Matrix
Return the minimum value in the given matrix.

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Factorial Numbers
Factorial is multiplication of integers. So factorial of 6 is 720 = 1 * 2 * 3 * 4* 5 *6 Thus 6 factorial = factorial(720)....

3年以上 前

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Create a Standard Size Vector
Given an input x, create a row vector y from 1 to x with 5 elements.

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Basic Quadratic Equation
Create the equation: y=(3x)^2+(5x)+35 and compute y for various values of x

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Datetime basics
Generate the datetime scalar representing the current date

3年以上 前

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The great 82-year-old
Let's answer the question below; 'I am *x* years old and I have never written programs. If I study from now, will I be able ...

3年以上 前

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Speed of car travelling x meters in y seconds
What is the speed of a car if the car travelled x meters in y seconds? Supply the answer in m/s.

3年以上 前

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